Tool-holder.



No. 801,256. PATENTED OCT. 10, 1905.

T. J. MOORE. TOOL HOLDER.

APPLICATION FILED DEC. 15. 1904.

W/TNESSES: [/VVE/VTOA THOMAS J. MOORE.

1L. /&;..

THOMAS J. MOORE, OF ALTOONA, PENNSYLVANIA.

TOOL-HOLDER.

Specification of Letters Patent.

Patented Oct. 10, 1905.

Application filed December 15, 1904:- Serial No. 237,006.

I 0 all whom it may concern:

Be it known that I, THOMAS J. MOORE, a citizen of the United States,residing at Altoona, in the county of Blair and State of Pennsylvania,have invented new and useful Improvements in Tool-Holders, of which thefollowing is a specification.

This invention relates to that type of toolholders which are speciallydesigned for use in connection with metal-working machines, such asplaners and slotters, and a number of types of machines employing arigidly-supported tool which must be capable of adjustment to a varietyof positions to accommodate different classes of work and differentlines of out.

To this end the invention contemplates the construction of tool-holdercomprising simple and practical means for quickly setting the tool toany of a variety of positions without removing the tool from itssupport. In this connection the invention also provides positive andeffectual means for securely clamping the tool in any of its adjustedpositions.

With these and other objects in view, which will more readily appear asthe nature of the invention is better understood, the same consists inthe novel construction, combination, and arrangement of parts, whichwill be hereinafter more fully described, illustrated, and claimed.

The essential feature of the invention involved in the means for settingthe tool into variable positions and for clamping it in any of suchpositions is susceptible to structural change without departing from thescope of the invention; but a preferred embodiment of the latter isshown in the accompanying drawings, in which- Figure 1 is an elevationof a tool-holder constructed in accordance with the present invention.Fig. 2 is a longitudinal sectional view through the clamping-bolt andthe element-s associated therewith, showing more plainly the engagementof the setting-washers with the tool and the formation of the transversetool-opening in the body portion of the bolt. Fig. 3 is an elevationshowing the setting-washers adjusted to positions for holding the toolclamped in a plane parallel to the tool-carrying bar or post. Fig. 4: isa detail in perspective and projected face view of one of the adjustablesetting-washers. Fig. 5 is a side elevation in detail of one of thesetting-washers.

Like reference-numerals designate corresponding parts in the severalfigures of the drawings.

In carrying out the invention the means for adjusting and clamping thetool may be applied -to any of the ordinary types of tool supports orcarriers, such as usually employed in connection with metal-workingmachines, so for illustrative purposes there is shown in the drawings aportion of an ordinary tool bar or post 1, which is provided at itstoolsupporting end with a bolt-hole 2, accommodating therein thethreaded shank portion of a clamping-bolt 3. The extremity of thethreaded shank portion of the bolt 8 projecting beyond one side of thetool-carrying bar 1 receives thereon a binding-nut a, which impingesagainst the side of the carrying-bar to provide for firmly clamping thetool in its set position. At the side of the tool-carrying bar or post 1opposite the binding-nut 4 the clamping-bolt is formed with an enlargedshouldered head portion 5, formed at its outer end with an annularclamp-flange 6 and provided therein with atransverse tool-receivingopening 7 which is preferably cut on diagonal or oblique lines, wherebythe said opening is of an outwardly-flaring width toward both ends.

The double-flared tool-receiving opening 7 of the clamping-boltaccommodates therein the tool or tool-bit 8 of any of the conventionalforms employed in connection with metalworking maohines and is designedto be set into variable positions and clamped in any of such positionsthrough the medium of a pair of adjustable setting-washers 9 and 10,cooperating therewith, and also with the head portion 6 of the clamping-bolt. The adjustable settingwashers 9 and 10 are loosely mounted onthe cylindrical head portion 5 of the clampingbolt and are respectivelydisposed at opposite sides of the tool or tool-bit 8. One of the washers(designated by the numeral 9) preferably has one end thereof held inmatching relation within an annular washer-seat 11, provided in one sideor face of the toolcarrying bar 1, while the plain end or side of theother Washer '10 registers flush within the angle at the inner side ofthe clamped flange 6 of the clamping-bolt.

When the bolt is loosened through the loosening of the binding-nut 4,ample space is provided between the opposing surfaces of the twoclamping-washers to permit the tool 8 to be adjusted lengthwise in theopening 7 and also tilted to any desired angle. To provide for securingthe tool in variable positions, each of the washers 9 and 10 is of avarying Width and at the side thereof next to the tool is formed With aplurality of tool-engaging seats 11. These seats are made up of a numberof shouldered steps of different sizes and also include straight,inclined. and curved surfaces which in the aggregate provide for everypractical position required of a tool in a metal-working machine,particularly of the planer and similar types. The tool-engaging sides ofthe washers 9 and 10, which are made up of the plurality of toolengagingseats referred to, may be properly said to be cut obliquely, and theseseats of the separate Washers 9 and 10 are arranged in an opposingrelation, so that each washer may be individually adjusted to bring theproper tool-engaging seat against one side of the tool, while theopposite washer is correspondingly adjustable. After such adjustment ofthe washers the clamping-bolt is tightened up, thereby securing the toolfirmly in its adjusted position. The tool-engaging portions of thewashers 9 and 10 are roughened to firmly grip the tool.

From the foregoing it is thought that the construction, operation, andmany advantages of the herein-described tool-holder Will be readilyapparent without further description, and it Will be understood thatvarious changes in the form, proportion, and minor details ofconstruction may be resorted to without departing from the spirit of theinvention or sacrificing any of the advantages thereof.

Having thus described the invention, What is claimed, and. desired tobe'secured by Letters Patent, is

In a tool-holder of the class described, the combination with atool-carrying bar, of a clamping-bolt ad justably mounted in said barand having a flanged head portion provided with a transversetool-opening flaring in width toward opposite sides of the bolt-shank,said tool-opening being adapted to adjustably receive therein the tool,and a pair of separate setting-washers mounted on the bolt respectivelyat opposite sides of the plane of the tool, and each provided with anirregular oblique side having a plurality of tool-engaging 't'aces madeup of shouldered steps.

In testimony whereofl atlix my signature in presence of two subscribingwitnesses.

THOMAS J. MOORE.

\Vitnesses:

Mrs. N. E. GEE, FRED A. VVHITTAKER.

